... Linux 8-CH Network CCTV DVR Digital Video Recorder withDual USB/LAN/VGA/RS485/Video/Audio Features: - Operating system: Embedded ... IPFilter,PPPOE,DDNS,FTP,Email,UPNP,Alarm Server,ARSP- 2 USB interfaces, one for mouse,one for backup- Support 1 SATA ... dual encoding streams - Support multilanguages - Support IR remote control and mouse control - Accessories include:- 1 x 100~240V power adapter - 1 x USB ...